THE CAYUGA FLORA. 51 



452. P. Uvedalia, L. (H. and C.) 

 Ravines ; rare. Aug. 



Salmon Cr. ravine, below the spring. Big Gull}-, above the Falls. 

 (E. of Bellona, S. H. Wright. ) 



188. Ambrosia, Tourn. 



453. A. trifida, L. Great Rag-weed. (H. and C.) 

 Near streams, in rich soil ; common. Jul}-, Aug. 



454. A. artemisae folia, L. Ragweed. (H. and C.) 

 Fields ; very common. July-Oct. 



189. Xanthium, Tourn. 



485. X. Canadense, Mill. COCKLE-BUR. (H. and C.) 



Streams and shores ; common. Aug.-Oct. 

 4S6. X. Canadense, Mill, var. echinatum, Gray. 



Same range ; common. 

 Zinnia ELEGAns, L., occasional^ escapes ; as on banks of Fall Cr.„ 

 1882 ; and roadside on the marsh. 



190. Heliopsis, Pers. 

 487. H. lsevis, Pers. Ox-eye. (H. and C.) 



Alluvial soil, where it is verj- abundant. July i-Oct 

 Very abundant along the lake, its marshes, and the Neguaena val- 

 ley ; also Fall Cr. at Freeville. Six Mile Cr. and elsewhere. 



191. Rudbeckia, Linn. 



48S. R. hirta, L. Yellow Daisy. Ox-eye Daisy. Cone-flower- 



(C by Dr. Wright.) 

 Fields ; frequent and becoming a weed. July- Aug. 



489. R. laciniata, L. CONE-FLOWER. (H. and C.) 

 Creeks, marshes and swamps ; frequent. Aug. i-Sept. 30. 



192. Heeianthus, Linn. 



H. annuus, L., the great "Sunflower" occasionally appears in 

 waste places, but is not permanent. 



490. H. divaricatus, L. (H. and C.) 

 Dry banks and woods ; common; rarely with three leaves in a 



whorl. Aug. -Sept. 

 [H. divaricatus, "var. foliis-tematis, Torr. and Gray," at Penn Yan, 

 {in Herb. Sartwell.)~\ 



491. H. strumosus, L. . (H. and C.) 

 Woods, or shaded rich soil ; abundant. Aug.-Sept. 20. 



A stout, broad and hairy leaved form, south of Ithaca and near 

 Cayuga Bridge. A form with narrowly lanceolate leaves, near 

 King's Ferry and Lockwood's Flats ; the same in Herb, of J. J. 

 Thomas, as H. track eliifoli 'us. 



492. H. decapetalus, L. (H. and C.) 

 Dry woods or ravines ; frequent. Aug. 15-Sept. 



493. H. tuberosus, L. Jerusalem-Artichoke. (H. andC.) 

 Alluvial ground or shores ; not uncommon. Sept. 



